import { ref, computed } from 'vue'
import type { Position } from '../types/chess'

interface Analysis {
  evaluation: number
  bestMoves: string[]
  comments: string[]
}

export function useAnalysis() {
  const analysisCache = ref<Map<string, Analysis>>(new Map())

  const analyzePosition = (
    board: (string | null)[][],
    moveHistory: string[]
  ): Analysis => {
    const positionKey = JSON.stringify(board)
    if (analysisCache.value.has(positionKey)) {
      return analysisCache.value.get(positionKey)!
    }

    // 这里可以添加更复杂的分析逻辑
    const analysis: Analysis = {
      evaluation: 0,
      bestMoves: [],
      comments: []
    }

    analysisCache.value.set(positionKey, analysis)
    return analysis
  }

  const clearCache = () => {
    analysisCache.value.clear()
  }

  return {
    analyzePosition,
    clearCache
  }
} 